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MITSUBISHI Servo Drive
Brand: MITSUBISHI -
Cat: Servo Drive
Code:MR-J2S-10A
| Combination name | Availability | Price |
|---|---|---|
AC Servo Drive 100 W – MITSUBISHI MR-J2S-10A
The MR-J2S-10A is a 100 W AC servo amplifier (“Servo Amplifier”) from the MELSERVO-J2S series (J2 Super), manufactured by Mitsubishi Electric. It is designed for position, speed, and torque control in CNC machine tools, industrial robots, and general automation systems. The suffix A denotes a General-Purpose analog/pulse-train interface, compatible with HC-KFS and HC-MFS series 100 W brushless servo motors. It supports a high-resolution 17-bit encoder (131,072 pulses/rev) and RS-232C serial communication for setup via the MR Configurator software.
The servo amplifier is the power and control unit that regulates in real time the position, speed, and torque of the connected servo motor: it interprets commands from the CNC or PLC as a pulse train or analogue signal and closes the regulation loops to ensure precise, repeatable motion. A failure of the MR-J2S-10A completely stops the controlled axis, rendering the machine inoperable until the unit is replaced or repaired.
Mitsubishi Electric is one of Japan’s leading companies in industrial automation and motion control, part of the Mitsubishi Group. The MELSERVO-J2S line was widely adopted worldwide throughout the 1990s and 2000s; the entire series is now legacy / discontinued, officially superseded by the MR-J4 and MR-J5 series. Used spare units and specialist repair services remain available on the secondary market.
Main Technical Specifications
| Type | AC servo amplifier (Servo Amplifier), analogue/pulse-train interface |
| Part number | MR-J2S-10A (MRJ2S10A) |
| Brand | Mitsubishi Electric – MELSERVO |
| Series | MELSERVO-J2S (J2 Super) |
| Known application | CNC machine tools, industrial robots, general automation systems |
| Function | Servo motor position, speed and torque control |
| Rated output | 100 W |
| Power supply | Single-phase / 3-phase 200–230 V AC, 50/60 Hz |
| Output current | ~1.1 A continuous (typical for 100 W) |
| Command interface | Pulse train (position control) / analogue ±10 V (speed/torque) |
| Compatible encoder | 17-bit – 131,072 pulses/rev |
| Compatible motors | HC-KFS13, HC-MFS13 (100 W class) |
| Communication | RS-232C (setup via MR Configurator) |
| Weight | ~0.6 kg |
| Dimensions (W×H×D) | ~40×130×95 mm |
| Production status | Legacy / discontinued — used/surplus/repair only |
